| Blancpain Watch Index | Lange & Sohne Watch Index | How to regulate mechanical watches |
| Case | Dial | Thickness (mm) |
Diameter (mm) |
Bracelet | Calibre | Model Number | Ltd Edtn (pieces) |
| red gold | black | 14.74 | 45 | leather | 25A | 5025-3630-52 | no |
| white gold | black | 14.74 | 45 | leather | 25A | 5025-1530-52 | no |
| Link to Sport Tourbillon section of Blancpain website |